JPH0298340U - - Google Patents
Info
- Publication number
- JPH0298340U JPH0298340U JP676489U JP676489U JPH0298340U JP H0298340 U JPH0298340 U JP H0298340U JP 676489 U JP676489 U JP 676489U JP 676489 U JP676489 U JP 676489U JP H0298340 U JPH0298340 U JP H0298340U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric ceramic
- plate portion
- larger
- hole
- intermediate electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims description 6
Landscapes
- Shutters For Cameras (AREA)
Description
第１図は本考案による電歪素子の一実施例の断
面図、第２図は従来の電歪素子の配置状態を示す
平面図、第３図は上記従来例の断面図である。
６……ブラケツト、７……電歪素子、８……圧
電セラミツク板、９……中間電極板、１０……外
側電極、１１……孔、１１ａ……外側電極部分、
１１ｂ……圧電セラミツク板部分、１１ｃ……中
間電極板部分、１２……取付けネジ、１２ａ……
軸部、１２ｂ……頭部。
FIG. 1 is a sectional view of one embodiment of an electrostrictive element according to the present invention, FIG. 2 is a plan view showing the arrangement of a conventional electrostrictive element, and FIG. 3 is a sectional view of the conventional example. 6... Bracket, 7... Electrostrictive element, 8... Piezoelectric ceramic plate, 9... Intermediate electrode plate, 10... Outer electrode, 11... Hole, 11a... Outer electrode portion,
11b...Piezoelectric ceramic plate part, 11c...Intermediate electrode plate part, 12...Mounting screw, 12a...
Shaft portion, 12b...head.
Claims (1)
ミツク板と、該圧電セラミツク板の各外表面上に
形成された外側電極とから成り、これらを貫通し
て形成された孔に取付けネジを挿通し支持部材に
螺合せしめて締め込むことにより取付けるように
した電歪素子において、上記孔の上記外側電極部
分での大きさを上記圧電セラミツク板部分及び中
間電極板部分でのそれよりも大きく且つ上記取付
けネジの頭部よりも大きくしたことを特徴とする
電歪素子。 It consists of a plurality of piezoelectric ceramic plates laminated with an intermediate electrode plate interposed therebetween, and an outer electrode formed on each outer surface of the piezoelectric ceramic plates, and a mounting screw is inserted into a hole formed through these. In an electrostrictive element that is attached by screwing and tightening to a support member, the size of the hole at the outer electrode portion is larger than that at the piezoelectric ceramic plate portion and the intermediate electrode plate portion, and the size of the hole is larger than that at the piezoelectric ceramic plate portion and the intermediate electrode plate portion, and An electrostrictive element characterized by being larger than the head of a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP676489U JPH0298340U (en) | 1989-01-24 | 1989-01-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP676489U JPH0298340U (en) | 1989-01-24 | 1989-01-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298340U true JPH0298340U (en) | 1990-08-06 |
Family
ID=31211208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP676489U Pending JPH0298340U (en) | 1989-01-24 | 1989-01-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298340U (en) |
-
1989
- 1989-01-24 JP JP676489U patent/JPH0298340U/ja active Pending